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Expanding the Target Landscape by Drugging the Undruggable (R21 Clinical Trial Not Allowed)

National Institutes of Health · PAR-25-442 · Deadline: February 17, 2028

Opportunity-exact history — these numbers describe this specific funding opportunity (PAR-25-442), from NIH RePORTER.

Awards under this opportunity 9

to 9 distinct organizations. By FY: 2026: 9

Actual award size $430k median

range $223k – $536k

Listing summary

The purpose of this Notice of Funding Opportunity (NOFO) is to solicit applications for exploratory and early-stage projects that focus on undruggable target classes within intractable human disease. Applicants will identify a human disease relevant undruggable target class and develop a method or agent that is selective for one or more targets within that target class. This NOFO is intended to jumpstart research that demonstrates innovative strategies to modulate targets that cannot be addressed by established therapeutic types, furthering the development of methods and/or agents selective fo…

Eligibility: State governments, County governments, City or township governments, Special district governments, Independent school districts, Public and State institutions of higher education, Native American tribal governments (Federally recognized), Public housing authorities, Native American tribal organizations (other), Nonprofits with 501(c)(3), other than higher education, Nonprofits without 501(c)(3), Private institutions of higher education, For-profit organizations other than small businesses, Small businesses, Others · Categories: Health · official listing ↗

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Sources: NIH RePORTER (opportunity-exact) and USAspending (program-level), labeled per section. GrantsDue computes summaries only; verify anything critical against the originals. Methodology.